<!DOCTYPE html>
<html>
<head>
	<title></title>
	<style>
		
	</style>
</head>
<body>
	
</body>
	<script>
		var list = [];
		list[0] = 55;
		list[10] = 55;
		list['name'] = '静静';//没有关联

		console.log(list);
		console.log(typeof list);
		console.log(list.constructor);
		console.log(list.length);
		console.log(list[5]);//undefined

		//多维数组
		var arr = [
			[1,5,6],
			['a','b','c','d'],
			[true,false,[1,6,9]]
		];
		console.log(arr);
		console.table(arr);

	</script>
</html>